packager: use new repo format
packager: use new repo format

Former-commit-id: 7ce72c604f0b3b83de2d039649ef76d3db561d24 [formerly f74e7e3ed067ea1fe5c8c1af5a21182095f11f7d]
Former-commit-id: 21cd15f0b86daaa68932f85d992dda40429be51b
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine